Assignee
Inventors
- Kaname Egawa (4 patents)
- Toshio Yamamoto (137 patents)
- Keiichi Uemura (10 patents)
- Yasuhiro Toyama (11 patents)
- Shinji Santo (22 patents)
- Yoshiyuki Takabe (19 patents)
- Takahiro Nakayama (96 patents)
US Patent 7254881 · Granted Aug 14, 2007